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Maintenance and Service

Owner’s Manual 

11

ENGLISH

Grille, Case, and Remote Controller

Turn the system off before cleaning. To clean, wipe with
a soft, dry cloth. Do not use bleach or abrasives.

Power supply must be disconnected before
cleaning the indoor unit.

NOTICE

1. Remove the Air filters.

■ 

Take hold of the tab and pull slightly forward
to remove the filter.

CAUTION: 

When the air filter is

to be removed, do not touch the
metal parts of the indoor unit. 
It may cause an injury.

2. Clean dirt from the air filter using a vacuum

cleaner or washing with water.

■ 

If dirt is conspicuous, wash with a neutral
detergent in lukewarm water.

■ 

If hot water (50°C or more) is used, it may
be deformed.

3. After washing with water, dry well in

the shade.

■ 

Do not expose the air filter to direct
sunlight or heat from a fire when drying it.

4. Install the air filter.

Air Filters

The air filters behind the front grille should be checked and
cleaned once every 2 weeks or more often if neccessary.

CAUTION: 

Before performing any maintenance, turn off the main power to

the system.

■ 

Never use any of the followings:

• 

Water hotter than 40°C.
Could cause deformation 
and/or discoloration.

• 

Volatile substances.
Could damage the 
surfaces of the air 
conditioner.

Air outlet vent

Air filters

B enzene

SCOURING

CLBARGER

S IN

NER

Maintenance and Service

Summary of Contents for ARNU073BHA2

Page 1: ...his owner s manual carefully and thoroughly before installing and operating your room air conditioner Please retain this owner s manual for future reference after reading it thoroughly Type Ceiling Concealed Duct High Static ENGLISH FRANÇAIS ESPAÑOL ...

Page 2: ...ng tips If you review our chart of Troubleshooting Tips first you may not need to call for service at all PRECAUTION Contact the authorized service technician for repair or maintenance of this unit Contact the installer for installation of this unit The air conditioner is not intended for use by young children or invalids without supervision Young children should be supervised to ensure that they ...

Page 3: ...he instruction WARNING Installation Do not use a defective or underrated circuit breaker Use this appliance on a dedicated circuit There is risk of fire or electric shock For electrical work contact the dealer seller a qualified electrician or an Authorized Service Center Do not disassemble or repair the product There is risk of fire or electric shock Always ground the product There is risk of fir...

Page 4: ...oduct Be sure the installation area does not deteriorate with age If the base collapses the air conditioner could fall with it causing property damage product failure and personal injury Do not plug or unplug the power supply plug during operation There is risk of fire or electric shock Do not touch operate the product with wet hands There is risk of fire or electrical shock Do not place a heater ...

Page 5: ...n and close the window in storm or hurricane If possible remove the product from the window before the hurricane arrives There is risk of property damage failure of product or electric shock Do not open the inlet grill of the product during operation Do not touch the electrostatic filter if the unit is so equipped There is risk of physical injury electric shock or product failure When the product ...

Page 6: ... where it will be exposed to sea wind salt spray directly It may cause corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunction or inefficient operation 90 When the product is not be used for a long time disconnect the power supply plug or turn off the breaker There is risk of product damage or failure or unintended operation Take care to...

Page 7: ...tal parts of the product when removing the air filter They are very sharp There is risk of personal injury Wax Thinner Do not step on or put anyting on the product outdoor units There is risk of personal injury and failure of product Always insert the filter securely Clean the filter every two weeks or more often if necessary A dirty filter reduces the efficiency of the air conditioner and could c...

Page 8: ...recision devices food pets plants and art objects Such usage could damage the items 1 Do not touch the metal parts of the unit when removing the filter Injuries can occur when handling sharp metal edges 2 Do not use water to clean inside the air conditioner Exposure to water can destroy the insulation leading to possible electric shock 3 When cleaning the unit first make sure that the power and br...

Page 9: ...ration indication screen 2 Set temperature button 3 Wireless remote controller Receiver Some kind of product could not receive wireless signal 4 Ventilation button 5 Operation mode selection button 6 Sub function button 7 Function setting button 8 Exit button 9 On Off button 10 Room temperature button 11 Fan speed button 12 Air flow button 13 Reservation Time setting button 14 Setting Cancel butto...

Page 10: ...ty 6 Smart clean button optional Used to start or stop smart clean 7 Clear all button Used to clear all timer 8 Room temperature setting button Used to select the room temperature 9 ON OFF button Used to turn off on the unit 10 Indoor fan speed selection button Used to select fan speed in four steps low medium high and chaos 11 Auto swing button Used to stop or start louver movement and set the de...

Page 11: ...er If dirt is conspicuous wash with a neutral detergent in lukewarm water If hot water 50 C or more is used it may be deformed 3 After washing with water dry well in the shade Do not expose the air filter to direct sunlight or heat from a fire when drying it 4 Install the air filter Air Filters The air filters behind the front grille should be checked and cleaned once every 2 weeks or more often i...

Page 12: ...he indoor unit Refer to page 12 for cleaning it Check that the air inlet and outlet of the indoor outdoor unit are not blocked Check that the ground wire is connected correctly It may be connected to the indoor unit side Do not overcool the room This is not good for the health and wastes electricity Keep blinds or curtains closed Do not let direct sunshine enter the room when the air conditioner i...

Page 13: ...s heard Remote control display is faint or no display at all Is the air filter dirty See air filter cleaning instructions The room may have been very hot when the room air conditioner was first turned on Allow time for it to cool down Has the temperature been set incorrectly Are the indoor unit s air inlet or outlet vents obstructed For a noise that sounds like water flowing This is the sound of f...

Page 14: ...Memo 14 Indoor Unit ...

Page 15: ...P No MFL42803016 Printed in Korea After reading this manual keep it in a place easily accessible to the user for future reference ...

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